Java software is used to run many of the applets
and tools used within Blackboard. It is necessary for users to have an
up-to-date JRE (Java Runtime Environment) installed and functioning
in order to access and use these Blackboard
IMPORTANT NOTE: Due to recent security concerns with Java, Java
may be blocked in your operating system or browser settings. To re-enable it temporarily, refer
to STEP 2-to locate your OS, and follow the steps to make sure it is
enabled there. Then under STEP3-locate your browser and follow the steps
shown to make sure it is enabled there.
If the System Test reports a problem with the Java installation on your
computer, first verify the problem by visiting this alternative test site:
If that site indicates
Java is installed and working correctly, there is no need to
do anything further.
If that site indicates Java is not installed or
not working, refer
to the following troubleshooting steps:
Note: Be sure to restart your browser (close and re-open a new browser window) and re-run the System Test after completing
each of these step to determine if is
Java is functioning. Simply re-loading the page will not provide
STEP 1. Download
the latest JAVA version Use the appropriate link below. After
saving the file, you must double click on the file to start the
installation process. After
installation is complete, re-start your system and open a new browser
window to test it.
Java for PC
Java for Mac (OS 10.4 to 10.6) -
Use the Software Update feature (on the Apple menu) to check
that you have the most up-to-date version of Java for your Mac.
Java for Mac (OS 10.7) With this particular
OS, Java is no longer installed
by default as part of the OS, you will need to download it using the link provided here.
STEP 2. Check that Java is enabled within your Operating System
a. From the Start
menu, select Settings, then Control Panel.
b. Double-click to open Java Control Panel.
c. Click the
d. Click on + icon next to
Default Java for browsers.
Make sure the box next to Internet Explorer or Mozilla is checked.
it is not checked, click the checkbox to enable Java for your Web
g. Click Apply.
a. From Finder, click on the Go Menu and select Utilities.
Double click on the Java Preferences icon.
c. On the General tab, check Enable applet plug-in and Web Start
d. Close Java Preferences
and restart your browser.
STEP 3. Check that Java is enabled within your
Browser (locate specific browser below)
Internet Explorer 8 or 9
a. On the Internet Explorer top menu, click
Tools, click Manage Add-Ons
b. Click Toolbars and Extensions
c. Under the "Sun Microsystems, Inc."
section, make sure all of the items within this section are
Note: If nothing is shown within the Sun
Microsystems section, or it does not appear in the Add-ons area, it
means that Java is not installed.
Firefox for Windows
From the Firefox or Tools menu, select Add-ons
b. Select the Plugins panel.
c. Click on the Java item to select it.
d. Click Enable. (If it shows Disable, it
is already enabled.)
Chrome for Windows
Type: about:plugins in the address bar.
b. From the list of plugins, verify the Java Plug-in is enabled.
Safari for Mac
a. From the Safari menu. select the
b. In the top window, click on the Security
c. Under the Web Content area, make sure the "Enable Java"
checkbox is selected.
d. Close the window.
Firefox for Mac:
a. From the Firefox
top menu, click Preferences, then click
b. Place checkmark next to "Enable Java" setting.
c. Close the window.
STEP 4. Check for/Remove multiple or older versions of Java
a. Click Start, click Control Panel
b. Double click the Add/Remove
Programs control panel icon.
c. This will display a list of software on your system,
scroll down to the "Java" section.
d. If multiple versions of Java are listed, uninstall
all of them. (Do not remove anything besides Java)
e. Install the latest version of Java from:
STEP 5. Clear the Java Cache (Follow the steps shown below)
Windows Users -Clearing Java Cache
a. From the Windows Start button, click Settings, click Control Panel.
b. Double-click Java icon to open the Java Control Panel
c. Under the Temporary Internet Files section, click the
d. On the next screen, click the Delete Files button, make
sure Applications & Applets is checked and click OK.
e. Continue to click OK, until you exit from the Control
f. Restart (close and re-open) your browser.
Mac Users - Clearing Java Cache
b. Go to Applications.
c. Find the Utilities folder.
the Java folder and go to J2SE folder, where you will find Java
Preferences. Open this file.
e. When the Java
Preferences window opens, select Delete Files under the General tab.
f. When the Delete Temporary Files window opens, make sure all
boxes are checked. Select OK.
The ZoneAlarm Pro software firewall can block Java.
The NoScript extension for Firefox will block Java.
The Adblock extension for Firefox can cause Java to stop working if OBJ-TABS are
If Java version "1.6.0_03" is installed on Vista w/Firefox,
there is a known bug which will prevent the Java Plug-in
from loading. Update Java to the latest version to
resolve this issue.